Intel

AIKIDO-2026-965601

@anthropic-ai/claude-code is vulnerable to Improper Authorization

Improper AuthorizationCVE-2026-103012 Published 6 days ago

20

Low Risk

This Affects:

JS@anthropic-ai/claude-code
2.0.68 - 2.1.259
Fixed in 2.1.260
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TL;DR

Claude Code fetches an organization's server managed settings with a locally stored API key, for example one left from an earlier /login or written to its configuration, instead of the user's valid Claude Enterprise or Team sign-in. When the settings endpoint rejects that stored key, the session starts without the organization's managed policy, such as permission deny rules, model restrictions, and managed only locks, or keeps using a stale cached copy, while still running under the organization's account. The fix gives the Enterprise or Team sign-in credential precedence for the managed settings request.

Who does this affect?

You are affected if you are using a version that falls within the vulnerable range and you sign in with a Claude for Enterprise or Team account on a machine that also has a locally stored API key from an earlier /login.

Background info

@anthropic-ai/claude-code is vulnerable to Improper Authorization in versions 2.0.68 - 2.1.259.

How to fix this

Upgrade the @anthropic-ai/claude-code library to the patch version.

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